MANAGEMENT
OF CAR-Controls, Switches and Instruments
Windscreen Wiper.
Pull
to operate wipers
;
they will only function
when the ignition is switched on. Push to stop when arms are in the
desired parking position.
Heater Switch. See page
42.
INSTRUMENTS
Ammeter. Indicates the flow of current into or out of the battery.
Fuel Gauge. Registers the amount of fuel in the tank.
It
operates
automatically when the ignition is switched on.
Oil
Pressure Gauge. Indicates pressure of oil being pumped to the
bearings.
The gauge should read
70
Ib./sq. in. (4.9 kg./sq. cm.) minimum
when the car is
travelling at normal speeds and the oil is hot. Only
a low pressure may be registered when the engine is idling or running
at low speeds
;
this is quite normal.
Speedometer. Registers vehicle's speed and total distance covered,
and is fitted with a trip which is cancelled by pushing up the serrated
knob (situated under the instrument) and turning anti-clockwise.
Tachometer. Indicates the speed of rotation of the engine in revo-
lutions per minute. (See page
10).
Ignition
Warning Light. Glows red when ignition is switched on
with the engine idling or stopped.
It is
an indication that current is
being drawn from the battery for the ignition circuit, or other purposes
that are controlled
by
the ignition switch.
Water Temperature Gauge. The gauge shows the temperature of
the cooling water at the thermostat. Under normal motoring con-
ditions the water temperature should not exceed
185".
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